Add MCWiki plugin (this is basically a clone of drama.py)

plugins/mcwiki.py

@@ -0,0 +1,29 @@
+from util import hook, http, text
+import re
+
+api_url = "http://minecraftwiki.net/api.php?action=opensearch"
+ed_url = "http://minecraftwiki.net/wiki/"
+
+
+@hook.command
+def mcwiki(inp):
+    "drama <phrase> -- Gets the first paragraph of" \
+    " the Minecraft Wiki article on <phrase>."
+
+    j = http.get_json(api_url, search=inp)
+    print j
+    if not j[1]:
+        return "No results found."
+    article_name = j[1][0].replace(' ', '_').encode('utf8')
+
+    url = ed_url + http.quote(article_name, '')
+    page = http.get_html(url)
+
+    for p in page.xpath('//div[@class="mw-content-ltr"]/p'):
+        if p.text_content():
+            summary = " ".join(p.text_content().splitlines())
+            summary = re.sub("\[\d+\]", "", summary)
+            summary = text.truncate_str(summary, 250)
+            return "%s :: \x02%s\x02" % (summary, url)
+
+    return "Unknown Error."